8305139168 has 12 divisors (see below), whose sum is σ = 16350742800. Its totient is φ = 4152569568.

The previous prime is 8305139159. The next prime is 8305139197. The reversal of 8305139168 is 8619315038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129767768 + ... + 129767831.

It is an arithmetic number, because the mean of its divisors is an integer number (1362561900).

Almost surely, 2^8305139168 is an apocalyptic number.

It is an amenable number.

8305139168 is a deficient number, since it is larger than the sum of its proper divisors (8045603632).

8305139168 is a wasteful number, since it uses less digits than its factorization.

8305139168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259535609 (or 259535601 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 8305139168 is about 91132.5362754708. The cubic root of 8305139168 is about 2025.1116469866. Note that the first 3 decimals are identical.

The spelling of 8305139168 in words is "eight billion, three hundred five million, one hundred thirty-nine thousand, one hundred sixty-eight".